Merge branch 'tr/send-email-8bit' into maint

* tr/send-email-8bit:
send-email: ask about and declare 8bit mails

diff --cc Documentation/git-send-email.txt
Simple merge

diff --cc git-send-email.perl
index 111c981229bf2c0bc6afa4a22db011b68d93fdfa,0db39b0de4c01118a627ad0e8f9589e7df27e34c..6dab3bf6a74bb52c7294e33dbac5bf87b51a9fdf
--- 1/git-send-email.perl
--- 2/git-send-email.perl
+++ b/git-send-email.perl
@@@ -188,9 -191,10 +189,10 @@@ sub do_edit 
  # Variables with corresponding config settings
  my ($thread, $chain_reply_to, $suppress_from, $signed_off_by_cc, $cc_cmd);
  my ($smtp_server, $smtp_server_port, $smtp_authuser, $smtp_encryption);
 -my ($identity, $aliasfiletype, @alias_files, @smtp_host_parts);
 +my ($identity, $aliasfiletype, @alias_files, @smtp_host_parts, $smtp_domain);
  my ($validate, $confirm);
  my (@suppress_cc);
+ my ($auto_8bit_encoding);
  
  my ($debug_net_smtp) = 0;             # Net::SMTP, see send_message()